NOUN
- small pointed structure serving as a skeletal element in various marine and freshwater invertebrates e.g. sponges and corals
How To Use spicule In A Sentence
- The dorsal conic spine-like structures could be a homology of cuticular spicules of polyplacophorans and aplacophorans. Down with phyla! (episode II) - The Panda's Thumb
- The researchers rubbed roughly the same number of cowhage spicules the itch-inducing spiky bits of that plant, also known as velvet bean on three locations: the front of the ankle; on the underside of the forearm; and under the shoulder blade on the back. A Dip in the Pool Does an Aging Body Good
- Also, the undersides of an osprey's feet are covered in spiny spicules which prevent fish from wriggling free.
- The spicules are some crutch-like, others spined or echinated, while the deep-sea sponges appear to grow long thick spicules, which attach the sponge to the ground by means of grapnel-like ends. Scientific American Supplement, No. 601, July 9, 1887
- All rays of the outwardly placed spicules are well developed.
- G. cydonium spicules show equatorial spots up to the third order, which are consistent with a very regular hexagonal arrangement of protein units aligned along the spicule axis.
- Sponges have an internal skeleton composed of needle-like elements called spicules, which can be composed of calcium carbonate, opaline silica, or fibres of the scleroprotein spongin.
- The spicules are joined together and cemented by a body that has been named "spongin," which has much the same chemical composition as silk, and, like silk, is very elastic. Scientific American Supplement, No. 601, July 9, 1887
- The spicules of bone revealed the characteristic corallike branching.
- The research solves an astrophysical puzzle that has baffled scientists for over 120 years since the spicules were first discovered.